B-IT Insulated Fire Rated Access Panels » 36x36

All series are UL Listed "B" label for 1-1/2 hours in vertical surfaces (maximum temperature rise to 250F in 30 minutes).

Style B-IT: BIT fire-rated, insulated access doors provide access through openings in fire rated vertical or horizontal surfaces. Warnock-Hersey listed for 3 hours in horizontal surfaces BIT fire-rated access doors are designed with a one inch exposed flange for flush installation in any vertical or horizontal surface.